Chapter One Sample Questions

According to John Chambers, CEO of Cisco (a leading networking technology company), the information age is the second Industrial Revolution.Answer...HideAnswer: True Difficulty: Easy Reference: p. 4

Due to recent advances in high speed communication networks, the information lag, or the time it takes for information to be disseminated around the world, has been significantly shortened.Answer...HideAnswer: True Difficulty: Easy Reference: p.4

One perspective of data communications and networking as stated in the textbook, examines the management of networking technologies, including security, network design, and managing the network on a day-to-day basis and long term basis.Answer...HideAnswer: True Difficulty: Moderate Reference: p. 5

The first electronic data communication system was the telephone developed by Alexander Graham Bell. Answer...HideAnswer: False Difficulty: Easy Reference: p. 5

The first transcontinental telephone service was established in the 1940s.Answer...HideAnswer: False Difficulty: Easy Reference: p. 6

The Telecommunications Act of 1996 now permits the RBOCs to provide long distance outside the region in which they provide local telephone services.Answer...HideAnswer: True Difficulty: Moderate Reference: p. 7

The Internet was started by the U.S. Department of defense in 1969 as a network of four computers called ARPANET.Answer...HideAnswer: True Difficulty: Moderate Reference: p. 9

Telecommunications is the transmission of voice and video as well as data and implies transmitting a longer distance than in a data communication network.Answer...HideAnswer: False Difficulty: Moderate Reference: p. 11

A local area network (LAN) connects other LANs and BNs located in different areas to each other and to wide area networks in a span from 3 to 30 miles.Answer...HideAnswer: False Difficulty: Moderate Reference: p. 13

An intranet is a LAN that uses Internet technologies and is publicly available to people outside of the organization.Answer...HideAnswer: False Difficulty: Moderate Reference: p. 15

A car manufacturer may give access to certain portions of its network to some of its suppliers via Internet. This is an example of an Extranet.Answer...HideAnswer: True Difficulty: Moderate Reference: p. 15

The OSI model is the most widely used network model to develop and build networks today.Answer...HideAnswer: True Difficulty: Moderate Reference: p. 16

The network layer is responsible for routing messages from the source computer to the destination computer.Answer...HideAnswer: True Difficulty: Easy Reference: p. 17

In the OSI model, the application layer is the end user’s access to the network.Answer...HideAnswer: True Difficulty: Moderate Reference: p. 18

The application layer is the seventh layer of the Internet model and provides the end user’s access to the network.Answer...HideAnswer: True Difficulty: Moderate Reference: p. 18

At the transport layer in the Internet model, TCP is responsible for breaking large files received from the application layer into smaller packets and opening a connection to a server for transferring the packets.Answer...HideAnswer: True Difficulty: Difficult Reference: p. 17

Data communication standards enable each layer in the sending computer to communicate with its corresponding layer in the receiving computer.Answer...HideAnswer: True Difficulty: Easy Reference: p. 22

The specification stage of the de juro standardization process consists of developing nomenclature and identifying the problems to be addressed.Answer...HideAnswer: True Difficulty: Moderate Reference: p. 23

Passive optical networking, a key trend for the future, means that virtually any computer will be able to communicate with any other computer in the world.Answer...HideAnswer: False Difficulty: Moderate Reference: p. 26

An Application Service Provider (ASP) develops a specific system and companies purchase or rent the service without installing the system on their own computers.Answer...HideAnswer: True Difficulty: Moderate Reference: p. 29